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Atomic Spectra

Question 4 • Crowley Credit Recovery Physics B

An electron jumps from n = 1 to n = 2.

Answer
A
absorbed energy
B
emitted energy

Explanation

An electron at n = 2 has more energy than one at n = 1. Moving from n = 1 to n = 2 requires the electron to gain energy, so energy is absorbed. The correct choice is A, “absorbed energy.”

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